2015 GMC Sierra: trims, real prices & how to pick yours

204 builds left the factory as a 2015 Sierra, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 80 main configurations sell for $2,015–$99,999 today. Page 1 of 5.

  • 80 main configurations
  • 82,717 vehicles built
  • 1,697 for sale right now
  • $2,015–$99,999 typical price range

Which Sierra is yours?

Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.

Works with any VIN — a different year or model takes you straight to its own page.

Pick your Sierra

What actually differs

SLT · 4WD SLE · 4WD Denali · 4WD 1GT120E8-F Denali · 4WD 3GTU2WEC-F
Engine 5.3L 8-cyl 5.3L 8-cyl 6.6L 8-cyl 5.3L 8-cyl
Fuel Gasoline Gasoline Diesel Gasoline
Typical price today $20,775 $18,995 $34,990 $21,800
For sale right now 328 153 134 74
Vehicles built 14,585 8,577 6,411 4,288
Same on every 2015 Sierra
  • Drivetrain Four-wheel drive
  • Body Pickup
  • Doors 4-door

What people actually pay

2,235 price observations · updated Aug 30, 2026
SLT · 4WD
$20,775
SLE · 4WD 3GTU2UEC-F
$18,995
Denali · 4WD 1GT120E8-F
$34,990
Denali · 4WD 3GTU2WEC-F
$21,800
Denali · 4WD 3GTU2WEJ-F
$22,995
SLE · 4WD 1GT12YEG-F
$23,995
$9,456 $32,842 $56,228 $79,613 $102,999
Price trend

Median up $1,250 over the last 7 months.

2015 Sierra price history →
Will it hold value?

A Sierra typically keeps about 57% of its price over 5 years — a 5-year-old one runs about $11,995 today.

Sierra depreciation by year →
Cost to run

16/23 mpg city/highway. Roughly $2,450/yr on fuel at 15,000 miles.

EPA estimate for the 2015 Sierra

Safety, in plain English

What 1GT12ZEG-F means

1GT 12ZEG · F
1GT
the World Manufacturer Identifier GMC registered — assembled in the United States
12ZEG
together encode the Sierra line — Pickup, 6L 8cyl, Four-wheel drive — as GMC filed it, these five characters are read as one block, not letter by letter
F
in position 10 — model year 2015
9, 11–17
differ on every car: check digit, plant code and the serial number
27 rare configurations — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific Sierra?

Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.

2015 GMC Sierra prices →